I went to Oracle Santa Clara for JVM Language Summit 2018. JVM Language Summit (JVMLS) is "an open technical collaboration among language designers, compiler writers, tool builders, runtime engineers, and VM architects". http://openjdk.jav…

On July 2018, I've become a Java Champion! I was very happy to hear that. My name is published at Java Champion web page. https://community.oracle.com/docs/DOC-925803 Koichi is a leader and a founder of a Japanese JUG, called KanJava He is…

I attended JOnsen, which is a Java Unconference at a Japanese Onsen. Onsen means a hot spring. It was held in Hakone this year. This was the 2nd time. Impressions of the first day of #jonsenunconf #community pic.twitter.com/0BshHwULqD— JOn…

Do you know Oracle Dev Moto Tour? blogs.oracle.com The 2018 Developers Motorcycle Tour will start their engines on May 8th, rolling through Japan and Europe to visit User Groups, Java Day Tokyo and Code events. I'm a leader of Osaka JUG (p…

Obviously you can download GraalVM/Graal from here: Oracle Labs GraalVM: Download But I tried to build Graal. We need Graal and mx. I used Graal version 0.29. $ git clone https://github.com/graalvm/graal.git $ cd ../graal $ git checkout vm…

I talked about new Java release cadence and Project Amber in my JUG, KanJava. Many developers in Japan are confused about both new release cadence and change to OpenJDK build. I participated in Jfokus and heard Mark Reinhold session, so I …

www.jfokus.se Jfokus is a Java conference in Stockholm, Sweden. I hear there are 2,000 attendance! I'm very interested in VM tech summit. I stay in Stockholm from Feb 4th to Feb 9th. Probably I'm an only person from Japan. If you know abou…